linux/drivers/iio/pressure/st_pressure.h
Martyn Welch 92ba0ab945 iio: pressure: st_pressure: Add support for LPS22DF
Add support for ST LPS22DF pressure sensor.

Datasheet: https://www.st.com/resource/en/datasheet/lps22df.pdf
Signed-off-by: Martyn Welch <martyn.welch@collabora.co.uk>
Link: https://lore.kernel.org/r/20220909161611.780720-2-martyn.welch@collabora.co.uk
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-09-21 18:42:53 +01:00

59 lines
1.4 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* STMicroelectronics pressures driver
*
* Copyright 2013 STMicroelectronics Inc.
*
* Denis Ciocca <denis.ciocca@st.com>
* v. 1.0.0
*/
#ifndef ST_PRESS_H
#define ST_PRESS_H
#include <linux/types.h>
#include <linux/iio/common/st_sensors.h>
enum st_press_type {
LPS001WP,
LPS25H,
LPS331AP,
LPS22HB,
LPS33HW,
LPS35HW,
LPS22HH,
LPS22DF,
ST_PRESS_MAX,
};
#define LPS001WP_PRESS_DEV_NAME "lps001wp"
#define LPS25H_PRESS_DEV_NAME "lps25h"
#define LPS331AP_PRESS_DEV_NAME "lps331ap"
#define LPS22HB_PRESS_DEV_NAME "lps22hb"
#define LPS33HW_PRESS_DEV_NAME "lps33hw"
#define LPS35HW_PRESS_DEV_NAME "lps35hw"
#define LPS22HH_PRESS_DEV_NAME "lps22hh"
#define LPS22DF_PRESS_DEV_NAME "lps22df"
/**
* struct st_sensors_platform_data - default press platform data
* @drdy_int_pin: default press DRDY is available on INT1 pin.
*/
static __maybe_unused const struct st_sensors_platform_data default_press_pdata = {
.drdy_int_pin = 1,
};
#ifdef CONFIG_IIO_BUFFER
int st_press_allocate_ring(struct iio_dev *indio_dev);
int st_press_trig_set_state(struct iio_trigger *trig, bool state);
#define ST_PRESS_TRIGGER_SET_STATE (&st_press_trig_set_state)
#else /* CONFIG_IIO_BUFFER */
static inline int st_press_allocate_ring(struct iio_dev *indio_dev)
{
return 0;
}
#define ST_PRESS_TRIGGER_SET_STATE NULL
#endif /* CONFIG_IIO_BUFFER */
#endif /* ST_PRESS_H */